/* ════════════════════════════════════════════════════════════════════════════
   Risky Manuel Tamba — Portfolio v2 stylesheet
   "rr-sec" terminal aesthetic · dark · green accent · no frameworks
   ════════════════════════════════════════════════════════════════════════════ */

:root {
  --bg: #060a08;
  --bg-soft: #0a100c;
  --panel: #0d1410;
  --panel-2: #101813;
  --border: #1a2621;
  --border-strong: #24362d;
  --text: #d9e2dc;
  --muted: #7f9089;
  --dim: #4c5c54;
  --green: #16a34a;
  --green-bright: #4ade80;
  --green-soft: #86efac;
  --green-dim: rgba(22, 163, 74, 0.12);
  --amber: #f59e0b;
  --red-soft: #7a3b3b;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --nav-h: 64px;
  --radius: 10px;
  --glow: 0 0 24px rgba(22, 163, 74, 0.24);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* subtle grid texture over the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 163, 74, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

::selection { background: var(--green); color: #04120a; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: #1e3028;
  border-radius: 6px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--green); }

:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 2px; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Ambient particle background ─────────────────────────────────────────── */
#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ─── Scroll progress ─────────────────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green), var(--green-bright));
  box-shadow: var(--glow);
  z-index: 100;
}

/* ─── Navigation ──────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 90;
  background: rgba(6, 10, 8, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav.scrolled { border-bottom-color: var(--border-strong); box-shadow: 0 8px 24px rgba(0,0,0,0.5); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: -0.5px;
}
.brand-symbol { color: var(--green-bright); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 6px;
  transition: color 0.18s ease, background 0.18s ease;
}
.nav-links a:hover { color: var(--green-bright); background: var(--green-dim); }
.nav-links a.active { color: var(--green-bright); background: var(--green-dim); }

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green-bright);
  letter-spacing: 1px;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--green-dim);
  white-space: nowrap;
}
.led {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 8px var(--green-bright);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Reveal animation ────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 28px 40px;
  background:
    radial-gradient(ellipse 60% 45% at 70% 30%, rgba(22, 163, 74, 0.09), transparent 70%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(22, 163, 74, 0.05), transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--green-bright);
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

.hero-name {
  font-family: var(--mono);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -2px;
  font-size: clamp(48px, 6.4vw, 88px);
  text-transform: lowercase;
  display: flex;
  flex-direction: column;
}
.hn-line { color: var(--text); }
.hn-grad {
  background: linear-gradient(100deg, var(--green-bright), var(--green) 65%, #84cc16);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hn-dim { color: transparent; -webkit-text-stroke: 1px var(--border-strong); }

.hero-role {
  font-family: var(--mono);
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--muted);
  margin: 24px 0 20px;
}
.hero-role .sep { color: var(--green); margin: 0 4px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}
.chips li {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.8px;
  color: var(--green-soft);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 5px 10px;
  background: var(--green-dim);
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  display: inline-block;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--green);
  color: #04120a;
  border: 1px solid var(--green);
  box-shadow: 0 0 0 1px rgba(22,163,74,0.3), 0 8px 24px rgba(22,163,74,0.25);
}
.btn-primary:hover { background: var(--green-bright); border-color: var(--green-bright); }
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: rgba(13, 20, 16, 0.6);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green-bright); }

/* Terminal window */
.hero-term { min-width: 0; }

.term {
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), var(--glow);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #0a100c;
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: #2a3a31; }
.dot:nth-child(1) { background: #ef4444; }
.dot:nth-child(2) { background: #f59e0b; }
.dot:nth-child(3) { background: #22c55e; }

.term-tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.term-tab {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 5px 12px;
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.term-tab:hover { color: var(--muted); }
.term-tab.active {
  color: var(--green-bright);
  background: var(--green-dim);
  border-color: var(--border-strong);
}

.term-body { min-height: 300px; padding: 20px 22px; position: relative; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.cat-art {
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--green-bright);
  text-shadow: 0 0 18px rgba(74, 222, 128, 0.35);
  user-select: none;
  overflow-x: auto;
}

#terminal {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  min-height: 260px;
}
#terminal .t-line { color: var(--muted); }
#terminal .t-cmd { color: var(--green-bright); }
#terminal .t-res { color: var(--text); }
#terminal .t-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--green-bright);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Stats bar */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1200px;
  margin: 72px auto 0;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(13, 20, 16, 0.6);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.stats:hover { border-color: var(--border-strong); box-shadow: 0 0 0 1px rgba(22,163,74,0.3), 0 14px 40px rgba(0,0,0,0.5), var(--glow); transform: translateY(-2px); }
.stat {
  padding: 26px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 34px;
  color: var(--green-bright);
  line-height: 1;
}
.stat-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--dim);
}

.scroll-hint {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
  animation: bob 2s ease-in-out infinite;
  z-index: 1;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 6px); }
}

/* ─── Sections ────────────────────────────────────────────────────────────── */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 28px;
  border-top: 1px solid var(--border);
  scroll-margin-top: var(--nav-h);
}
.section:nth-of-type(odd) { background: rgba(10, 16, 12, 0.55); }

.container { max-width: 1200px; margin: 0 auto; }

.section-title {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 42px;
}
.sec-no {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--green);
}
.sec-t {
  font-family: var(--mono);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}
.sec-t::after {
  content: "()";
  color: var(--dim);
  font-size: 0.55em;
  margin-left: 8px;
}

.section-note {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--dim);
  margin: -28px 0 32px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-copy p { margin-bottom: 18px; color: var(--muted); }
.about-copy strong { color: var(--text); }
.about-quote {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--green-soft);
  border-left: 2px solid var(--green);
  padding-left: 16px;
  margin-top: 26px;
}

.about-meta {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.kv-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13.5px;
}
.kv-row:last-child { border-bottom: none; }
.kv-key { color: var(--dim); }
.kv-val { color: var(--text); word-break: break-word; }
.kv-val.green { color: var(--green-bright); }

/* Findings log */
.log {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.log-line {
  display: grid;
  grid-template-columns: 130px 110px 1fr auto;
  gap: 18px;
  align-items: baseline;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}
.log-line:last-child { border-bottom: none; }
.log-line:hover { background: var(--green-dim); }
.log-date { font-family: var(--mono); font-size: 13px; color: var(--dim); }
.log-vuln {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
  border-radius: 4px;
  padding: 3px 8px;
  width: fit-content;
}
.log-desc { min-width: 0; }
.log-desc strong { font-size: 15px; color: var(--text); font-weight: 600; }
.log-sub { display: block; font-family: var(--mono); font-size: 12.5px; color: var(--dim); margin-top: 3px; }
.hl { color: var(--green-bright); }
.code { font-family: var(--mono); color: var(--green-soft); background: var(--green-dim); border-radius: 3px; padding: 1px 5px; }
.note-link { color: var(--green-bright); text-decoration: underline; text-decoration-color: rgba(74,222,128,0.4); text-underline-offset: 3px; transition: color 0.18s ease; }
.note-link:hover { color: var(--green-soft); }
.log-status {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
}
.log-status.ack { color: var(--green-bright); background: var(--green-dim); border: 1px solid rgba(74, 222, 128, 0.3); }
.log-status.dup { color: var(--dim); background: rgba(76, 92, 84, 0.12); border: 1px solid var(--border-strong); }
.log-status.oos { color: var(--amber); background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.3); }
.log-next .log-vuln { color: var(--dim); border-color: var(--border-strong); background: none; }
.log-next .log-desc strong { color: var(--green-bright); }

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.skill-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45), var(--glow);
}
.skill-cmd {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--green-bright);
  margin-bottom: 18px;
}
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 5px 10px;
  background: rgba(6, 10, 8, 0.6);
}
.tag-list li:hover { color: var(--green-soft); border-color: var(--green); }

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cert-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 22px 22px 22px 64px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.cert-card::before {
  content: "✓";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-dim);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: var(--green-bright);
  font-family: var(--mono);
  font-size: 13px;
}
.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), var(--glow);
}
.cert-issuer {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dim);
}
.cert-name {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-top: 6px;
  line-height: 1.35;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45), var(--glow);
}
.project-tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.project-name {
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.project-desc {
  font-size: 14px;
  color: var(--muted);
  flex: 1;
  margin-bottom: 18px;
}
.project-link {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--green-bright);
  transition: color 0.18s ease, text-shadow 0.18s ease;
}
.project-link:hover { color: var(--green-soft); text-shadow: 0 0 12px rgba(74, 222, 128, 0.5); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.contact-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 18px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), var(--glow);
}
.cc-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--dim);
}
.cc-value {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}
.contact-card:hover .cc-value { color: var(--green-bright); }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 46px 28px 54px;
  background: var(--bg-soft);
}
.footer-line1 {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
}
.footer-line2 {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}
.blink-b { color: var(--green-bright); animation: blink 1s step-end infinite; }

/* ─── Chat AI widget ──────────────────────────────────────────────────────── */
#rt-chat-toggle {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--green);
  background: var(--green);
  color: #04120a;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(22, 163, 74, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  font-family: var(--mono);
}
#rt-chat-toggle:hover { transform: translateY(-3px) scale(1.04); background: var(--green-bright); }
#rt-chat-toggle svg { display: block; }

#rt-chat-box {
  position: fixed;
  right: 22px;
  bottom: 92px;
  z-index: 99;
  width: min(360px, calc(100vw - 44px));
  height: min(500px, calc(100dvh - 130px));
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(16px) scale(0.96);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
#rt-chat-box.open {
  transform: none;
  opacity: 1;
  pointer-events: auto;
}

#rt-chat-header {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.6px;
  color: var(--green-bright);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
}
#rt-chat-header::before {
  content: "●";
  color: var(--green-bright);
  margin-right: 8px;
  font-size: 10px;
  vertical-align: 1px;
}

#rt-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#rt-chat-messages::-webkit-scrollbar { width: 6px; }
#rt-chat-messages::-webkit-scrollbar-thumb { border: none; }

.rt-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.rt-msg-user {
  align-self: flex-end;
  background: var(--green);
  color: #04120a;
  border-bottom-right-radius: 4px;
}
.rt-msg-bot {
  align-self: flex-start;
  background: var(--green-dim);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.rt-typing {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
}
.rt-error { color: #f0a0a0; border-color: var(--red-soft); }

#rt-chat-input-area {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
#rt-chat-input {
  flex: 1;
  resize: none;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13.5px;
  padding: 10px 12px;
  max-height: 96px;
  overflow-y: auto;
}
#rt-chat-input::placeholder { color: var(--dim); }
#rt-chat-input:focus { outline: none; border-color: var(--green); }

#rt-chat-send {
  align-self: flex-end;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: #04120a;
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.18s ease;
}
#rt-chat-send:hover { background: var(--green-bright); }
#rt-chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .skills-grid, .cert-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(6, 10, 8, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 12px 28px 20px;
    margin: 0;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }
  .nav.open .nav-links { transform: none; }
  .nav-links a { display: block; padding: 12px 14px; font-size: 15px; }
  .nav-burger { display: flex; }
  .nav-status { margin-left: auto; }

  .hero { padding-top: calc(var(--nav-h) + 24px); }
  .hero-grid { grid-template-columns: 1fr; }
  .term-body { min-height: 260px; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--border); }

  .log-line {
    grid-template-columns: 96px 1fr;
    gap: 10px 16px;
  }
  .log-vuln { grid-row: 1 / span 2; margin-left: auto; }
  .log-status { grid-column: 1 / -1; width: fit-content; }
  .log-desc { grid-column: 1 / -1; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  .section { padding: 72px 20px; }
  .hero { padding-left: 20px; padding-right: 20px; }
  .hero-name { font-size: clamp(44px, 16vw, 60px); }
  .chips li { font-size: 10.5px; }
  .term-body { padding: 16px; }
  .cat-art { font-size: 12px; }
  .skills-grid, .cert-grid, .projects-grid { grid-template-columns: 1fr; }
  #rt-chat-toggle { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  #rt-chat-box { right: 16px; bottom: 84px; width: calc(100vw - 32px); }
  .contact-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; text-align: center; }
}

/* ─── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}